Hy Rothstein served in the US Army as a Special Forces officer for more than 26 years, spending much of his time training and advising governments threatened by active insurgencies. He is currently a senior lecturer in the Department of Defense Analysis at the US Naval Postgraduate School. He is the author of Afghanistan and the Troubled Future of Unconventional Warfare. John Arquilla is a professor of defense analysis at the US Naval Postgraduate School and is the author of Insurgents, Raiders, and Bandits: How Masters of Irregular Warfare Have Shaped Our World.